Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con de tranh slippers" » "con de thanh slippers", "con dau tranh slippers", "con nen tranh slippers", "cong de tranh slippers", "con se tranh slippers", "con de tranh slippery", "con de tranh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("con de tranh slippers"))) or ("locating bug code snippets"))~.
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